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Finding the Third Proportional to 13,144 and 20,100

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Solution

The third proportional to 13,144 and 20,100 is: 30,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144 : 20,100 = 20,100 : x
  2. Step 2: Convert to fraction form
    13,144/20,100 = 20,100/x
  3. Step 3: Cross multiply
    13,144x = 20,100 × 20,100
  4. Step 4: Simplify right side
    13,144x = 404,010,000
  5. Step 5: Solve for x
    x = 404,010,000/13,144
  6. Step 6: Final answer
    x = 30,737.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.